Added API documentation for teams operations

docs/api/teams.md

 ## Teams
+
+### POST `team` [requires authentication]
+
+Create a new team with the given name. On successful creation the id of the new team will be
+returned.
+
+#### Request body
+
+```typescript
+interface Body {
+    name: string;
+}
+```
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    id: string;
+}
+```
+
+### PUT `team/:uuid` [requires authentication]
+
+Update the team with the given id.
+
+#### Request body
+
+```typescript
+interface Body {
+    name: string;
+}
+```
+
+### GET `team/` [requires authentication]
+
+Return all the teams the authenticated user is a member of.
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    teams: {
+        id: string;
+        name: string;
+        role: string;
+    }[];
+}
+```
+
+### GET `team/:uuid` [requires authentication]
+
+Return the team with the given id. If the authenticated user is a member of the team, the role will
+also be included.
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    team: {
+        id: string;
+        name: string;
+        role?: string;
+    };
+}
+```
+
+### GET `team/:uuid/members` [requires authentication]
+
+Get all the users that are members of the team with the given id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    members: {
+        id: string;
+        username: string;
+        email: string;
+        realname: string;
+        role: {
+            id: string;
+            name: string;
+        };
+    }[];
+}
+```
+
+### GET `team/:uuid/roles` [requires authentication]
+
+Get all the roles of the team with the given id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    roles: {
+        id: string;
+        name: string;
+    }[];
+}
+```
+
+### GET `team/:uuid/projects` [requires authentication]
+
+Get all the projects of the team with the given id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    projects: {
+        id: string;
+        name: string;
+        text: string;
+        color: string;
+        status: 'open' | 'closed' | 'suspended';
+        deadline: string,
+    }[];
+}
+```
+
+### GET `team/:uuid/work` [requires authentication]
+
+Get all the work of members of the team with the given id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    work: {
+        id: string;
+        task: string;
+        user: string;
+        started: number;
+        finished: number;
+    }[];
+}
+```
+
+### GET `team/:uuid/activity` [requires authentication]
+
+Get all the activity of members of the team with the given id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    activity: {
+        day: string;
+        time: number;
+    }[];
+}
+```
+
+### GET `team/:uuid/completion` [requires authentication]
+
+Get all the completion of all tasks in the projects of the team with the given id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Response body
+
+```typescript
+interface Body {
+    status: string;
+    completion: {
+        open: number;
+        closed: number;
+        suspended: number;
+        overdue: number;
+    };
+}
+```
+
+### POST `team/:uuid/roles` [requires authentication]
+
+Create a new role in the team with the given id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Request body
+
+```typescript
+interface Body {
+    name: string;
+}
+```
+
+### PUT `team/:teamid/roles/:roleid` [requires authentication]
+
+Update the role with the given role id in the team with the given team id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Request body
+
+```typescript
+interface Body {
+    name: string;
+}
+```
+
+### DELETE `team/:teamid/roles/:roleid` [requires authentication]
+
+Delete the role with the given role id in the team with the given team id. This request will fail if
+any member of the team still has the given role.
+Only teams that the authenticated user is a member of are visible to this function.
+
+### POST `team/:uuid/members` [requires authentication]
+
+Add a new members to the team with the given id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Request body
+
+```typescript
+interface Body {
+    user: string;
+    role: string;
+}
+```
+
+### PUT `team/:teamid/members` [requires authentication]
+
+Update the member with the given user id in the team with the given team id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+#### Request body
+
+```typescript
+interface Body {
+    user: string;
+    role: string;
+}
+```
+
+### DELETE `team/:teamid/members/:roleid` [requires authentication]
+
+Remove the member with the given user id in the team with the given team id.
+Only teams that the authenticated user is a member of are visible to this function.
+
+### DELETE `team/:teamid/` [requires authentication]
+
+Cause the authenticated user to leave the team with the given id. This will not delete the team, and
+all other members are still members of the team.
+