Api/v1/statuses (#11)

This PR adds:
Statuses

    New status creation.
    View existing status
    Delete a status
    Fave a status
    Unfave a status
    See who's faved a status

Media

    Upload media attachment and store/retrieve it
    Upload custom emoji and store/retrieve it

Fileserver

    Serve files from storage

Testing

    Test models, testrig -- run a GTS test instance and play around with it.

internal/apimodule/mock_ClientAPIModule.go

@@ -4,6 +4,8 @@ package apimodule
 
 import (
 	mock "github.com/stretchr/testify/mock"
+	db "github.com/superseriousbusiness/gotosocial/internal/db"
+
 	router "github.com/superseriousbusiness/gotosocial/internal/router"
 )
 
@@ -12,6 +14,20 @@ type MockClientAPIModule struct {
 	mock.Mock
 }
 
+// CreateTables provides a mock function with given fields: _a0
+func (_m *MockClientAPIModule) CreateTables(_a0 db.DB) error {
+	ret := _m.Called(_a0)
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(db.DB) error); ok {
+		r0 = rf(_a0)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
 // Route provides a mock function with given fields: s
 func (_m *MockClientAPIModule) Route(s router.Router) error {
 	ret := _m.Called(s)