feat: add default parameters to config.yaml (#394)

This will avoid those ugly errors caused by forgetting to copy exampleSite/config.yaml to the site folder

config.yaml

@@ -2,3 +2,146 @@ module:
     hugoVersion:
         extended: true
         min: "0.87.0"
+
+params:
+    mainSections:
+        - post
+    featuredImageField: image
+    rssFullContent: true
+    favicon:
+
+    footer:
+        since:
+        customText:
+
+    dateFormat:
+        published: Jan 02, 2006
+        lastUpdated: Jan 02, 2006 15:04 MST
+
+    sidebar:
+        emoji:
+        subtitle:
+        avatar:
+            enabled: true
+            local: true
+            src: img/avatar.png
+
+    article:
+        math: false
+        toc: true
+        readingTime: true
+        license:
+            enabled: false
+            default: Licensed under CC BY-NC-SA 4.0
+
+    comments:
+        enabled: false
+        provider: disqus
+
+        disqusjs:
+            shortname:
+            apiUrl:
+            apiKey:
+            admin:
+            adminLabel:
+
+        utterances:
+            repo:
+            issueTerm: pathname
+            label:
+
+        remark42:
+            host:
+            site:
+            locale:
+
+        vssue:
+            platform:
+            owner:
+            repo:
+            clientId:
+            clientSecret:
+            autoCreateIssue: false
+
+        # Waline client configuration see: https://waline.js.org/en/reference/client.html
+        waline:
+            serverURL:
+            lang:
+            visitor:
+            avatar:
+            emoji:
+                - https://cdn.jsdelivr.net/gh/walinejs/emojis/weibo
+            requiredMeta:
+                - name
+                - email
+                - url
+            placeholder:
+            locale:
+                admin: Admin
+
+        twikoo:
+            envId:
+            region:
+            path:
+            lang:
+
+        giscus:
+            repo:
+            repoID:
+            category:
+            categoryID:
+            mapping:
+            lightTheme:
+            darkTheme:
+            reactionsEnabled: 1
+            emitMetadata: 0
+
+        gitalk:
+            owner:
+            admin:
+            repo:
+            clientID:
+            clientSecret:
+
+        cusdis:
+            host:
+            id:
+
+    widgets:
+        enabled:
+            - search
+            - archives
+            - tag-cloud
+
+        archives:
+            limit: 5
+
+        tagCloud:
+            limit: 10
+
+    opengraph:
+        twitter:
+            # Your Twitter username
+            site:
+
+            # Available values: summary, summary_large_image
+            card: summary_large_image
+
+    defaultImage:
+        opengraph:
+            enabled: false
+            local: false
+            src:
+
+    colorScheme:
+        # Display toggle
+        toggle: true
+
+        # Available values: auto, light, dark
+        default: auto
+
+    imageProcessing:
+        cover:
+            enabled: true
+        content:
+            enabled: true