settings: Change the cache location and update example config file

config.example.yaml

@@ -4,10 +4,11 @@
 #  "AllowProxy":       "false",
 #  "CacheEnabled":     "true",
 #  "CacheCompression": "true",
-#  "CacheDir":         "./run/cache",
+#  "CacheDir":         "/var/cache/peroxide/cache",
-#  "X509Key":          "./run/key.pem",
+#  "X509Key":          "/etc/peroxide/key.pem",
-#  "X509Cert":         "./run/cert.pem",
+#  "X509Cert":         "/etc/peroxide/cert.pem",
-#  "CookieJar":        "./run/cookies.json",
+#  "CookieJar":        "/etc/peroxide/cookies.json",
-#  "CredentialsStore": "./run/credentials.json",
+#  "CredentialsStore": "/etc/peroxide/credentials.json",
-#  "ServerAddress":    "[::0]"
+#  "ServerAddress":    "[::0]",
+#  "BCCSelf":          "false"
 }

pkg/config/settings/settings.go

@@ -83,7 +83,7 @@ func (s *Settings) setDefaultValues() {
 	s.setDefault(BCCSelf, "false")
 
 	settingsDir := "/etc/peroxide"
-	s.setDefault(CacheDir, "/var/cache/peroxide")
+	s.setDefault(CacheDir, "/var/cache/peroxide/cache")
 	s.setDefault(X509Key, filepath.Join(settingsDir, "key.pem"))
 	s.setDefault(X509Cert, filepath.Join(settingsDir, "cert.pem"))
 	s.setDefault(CookieJar, filepath.Join(settingsDir, "cookies.json"))