refac(structure): remove leading gitea directory

The following pull request removes the `gitea` directory. With regard to
maintaining act_runners in a separate git repository or helm chart, this
additional directory becomes redundant.

templates/ingress.yaml

@@ -0,0 +1,62 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "gitea.fullname" . -}}
+{{- $httpPort := .Values.service.http.port -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  namespace: {{ .Values.namespace | default .Release.Namespace }}
+  labels:
+    {{- include "gitea.labels" . | nindent 4 }}
+  annotations:
+    {{- range $key, $value := .Values.ingress.annotations }}
+      {{ $key }}: {{ $value | quote }}
+    {{- end }}
+spec:
+  ingressClassName: {{ tpl .Values.ingress.className . }}
+{{- if .Values.ingress.tls }}
+  tls:
+  {{- range .Values.ingress.tls }}
+    - hosts:
+      {{- range .hosts }}
+        - {{ tpl . $ | quote }}
+      {{- end }}
+      secretName: {{ .secretName }}
+  {{- end }}
+{{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ tpl .host $ | quote }}
+      http:
+        paths:
+          {{- if .paths }}
+          {{- range .paths }}
+          {{- if kindIs "string" . }}
+          - path: {{ . }}
+            pathType: {{ default "Prefix" $.Values.ingress.pathType }}
+            backend:
+              service:
+                name: {{ $fullName }}-http
+                port:
+                  number: {{ $httpPort }}
+          {{- else }}
+          - path: {{ .path | default "/" }}
+            pathType: {{ .pathType | default "Prefix" }}
+            backend:
+              service:
+                name: {{ $fullName }}-http
+                port:
+                  number: {{ $httpPort }}
+          {{- end }}
+          {{- end }}
+          {{- else }}
+          - path: "/"
+            pathType: "Prefix"
+            backend:
+              service:
+                name: {{ $fullName }}-http
+                port:
+                  number: {{ $httpPort }}
+          {{- end }}
+    {{- end }}
+{{- end }}