[BRANDING] Add `forgejo` emoji

(cherry picked from commit ade55ad308)
(cherry picked from commit 107f726618)
(cherry picked from commit f29cf9cfc1)
(cherry picked from commit 0761a41eee)
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(cherry picked from commit 74e0603d6b)
(cherry picked from commit 84bd1ddc08)
(cherry picked from commit 62d9acde2a)
(cherry picked from commit 5b84a90913)
(cherry picked from commit 5362f7d053)
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(cherry picked from commit 24d3bb33e2)
(cherry picked from commit 704935cadd)
(cherry picked from commit 5d9fc59e17)
(cherry picked from commit 4c95df3f86)
(cherry picked from commit 1ac704762a)
(cherry picked from commit 0da9fb1318)
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(cherry picked from commit 3a823b1001)
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(cherry picked from commit a985bb8b90)
(cherry picked from commit dac4d69218)
(cherry picked from commit 4962eb361d)
(cherry picked from commit 61835639c8)

modules/setting/ui.go

@@ -80,8 +80,8 @@ var UI = struct {
 	DefaultTheme:        `gitea-auto`,
 	Themes:              []string{`gitea-auto`, `gitea-light`, `gitea-dark`},
 	Reactions:           []string{`+1`, `-1`, `laugh`, `hooray`, `confused`, `heart`, `rocket`, `eyes`},
-	CustomEmojis:        []string{`git`, `gitea`, `codeberg`, `gitlab`, `github`, `gogs`},
-	CustomEmojisMap:     map[string]string{"git": ":git:", "gitea": ":gitea:", "codeberg": ":codeberg:", "gitlab": ":gitlab:", "github": ":github:", "gogs": ":gogs:"},
+	CustomEmojis:        []string{`git`, `gitea`, `codeberg`, `gitlab`, `github`, `gogs`, `forgejo`},
+	CustomEmojisMap:     map[string]string{"git": ":git:", "gitea": ":gitea:", "codeberg": ":codeberg:", "gitlab": ":gitlab:", "github": ":github:", "gogs": ":gogs:", "forgejo": ":forgejo:"},
 	Notification: struct {
 		MinTimeout            time.Duration
 		TimeoutStep           time.Duration