Added Examples and Removed straightforward snippets

Author: chaitanya-jvnm

snippets/csharp/guid-utilities/guid-to-byte-array.md

@@ -6,7 +6,17 @@ tags: c#,jwt,decode,utility
 ---
 
 ```c#
+/// <summary>
+/// Decodes the JWT
+/// <summary>
 public static string DecodeJwt(string token) {
   return new JwtSecurityTokenHandler().ReadJwtToken(token).ToString();
 }
+
+//Example
+string token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c";
+
+string decodedJwt = DecodeJwt(token);
+
+Console.WriteLine(decodedJwt); //Prints {"alg":"HS256","typ":"JWT"}.{"sub":"1234567890","name":"John Doe","iat":1516239022}
 ```

snippets/csharp/jwt-utilities/decode-jwt.md

@@ -22,4 +22,14 @@ public static bool ValidateJwt(string token, string secret) {
     return false
   }
 }
+
+//Example
+string JWT = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c";
+
+string correctSecret = "your-256-bit-secret";
+string wrongSecret = "this-is-not-the-right-secret";
+
+Console.WriteLine(ValidateJwt(JWT, correctSecret)) // returns True
+Console.WriteLine(ValidateJwt(JWT, wrongSecret)) // returns False
+
 ```

snippets/csharp/jwt-utilities/validate-jwt.md

@@ -12,4 +12,9 @@ tags: c#,string,capitalize,utility
 public static string Capitalize(this string str) {
   return str.Substring(0, 1).ToUpper() + str.Substring(1);
 }
+
+//Example
+string example = "hello";
+string captializedExample = example.Capitalize();
+Console.WriteLine(captializedExample); // prints "Hello"
 ```