add source_code_minted example

It uses minted package

source_code_minted/config.json

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+{
+    "shell_escape": true
+}

source_code_minted/header.tex

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+\documentclass{article}
+
+\usepackage{minted}
+\usepackage{xcolor}
+\usemintedstyle{paraiso-light} %% sets default style for all source blocks

source_code_minted/init.el

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+(setq org-latex-listings 'minted)

source_code_minted/main.org

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+* source code
+
+** Some c code
+#+begin_src c
+#include <stdio.h>
+
+int main () {
+    int a = 1;
+    printf("hello world\n");
+}
+#+end_src
+
+** python
+#+begin_src python
+  # set a string
+  my_string = "Hello, World!"
+
+  # print string to stdout
+  print(my_string)
+#+end_src
+
+** java
+#+begin_src java
+  public class HelloWorld {
+
+      // main function
+      public static void main(String[] args) {
+          System.out.println("Hello, World");
+      }
+
+  }
+#+end_src