Update formats in README.md and html files

Author: kazuhitoyokoi

templates/function/README.md.mustache

@@ -5,8 +5,7 @@ Node-RED node for {{&nodeName}}
 
 {{&description}}
 
-Install
--------
+## Install
 
 To install the stable version use the `Menu - Manage palette - Install`
 option and search for {{&projectName}}, or run the following

templates/swagger/node.html.mustache

@@ -209,17 +209,17 @@
         credentials: {
             {{#isSecure}}
             {{#isSecureToken}}
-            secureTokenValue: { type:"password" },
+            secureTokenValue: { type: "password" },
             {{/isSecureToken}}
             {{#isSecureApiKey}}
-            secureApiKeyValue: { type:"password" },
+            secureApiKeyValue: { type: "password" },
             {{/isSecureApiKey}}
             {{#isSecureBasic}}
-            username: { type:"text" },
-            password: { type:"password" },
+            username: { type: "text" },
+            password: { type: "password" },
             {{/isSecureBasic}}
             {{/isSecure}}
-            temp: { type:"text" }
+            temp: { type: "text" }
         },
         label: function () {
             return this.name || this.host;

templates/webofthings/README.md.mustache

@@ -5,17 +5,15 @@ Node-RED node for {{nodeName}}
 
 {{description}}
 
-Install
--------
+## Install
 
 To install the stable version use the `Menu - Manage palette - Install`
 option and search for {{projectName}}, or run the following
 command in your Node-RED user directory, typically `~/.node-red`
 
     npm install {{projectName}}
 
-Interactions
-------------
+## Interactions
 
 ### Properties