created templates for header file as well as main

src/c_templates.rs

+use simplegen::CodeBuffer;
+
+pub fn template_for_header(filename: &str) -> CodeBuffer {
+    let mut buffer = CodeBuffer::new(4);
+
+    let mut mod_filename = filename.to_string();
+
+    // Removing trailing whitespace and extension from filename
+    for _ in 0..3 {
+        mod_filename.pop();
+    }
+
+    print!("{}", mod_filename);
+
+    buffer.println(format!("#ifndef _{}_H_", mod_filename.to_uppercase()).as_str());
+    buffer.println(format!("#define _{}_H_", mod_filename.to_uppercase()).as_str());
+    buffer.println("");
+    buffer.println(format!("typedef struct _{}_t", mod_filename.to_lowercase()).as_str());
+    buffer.println("{");
+    buffer.println("");
+    buffer.println(format!("}} {}_t;", mod_filename.to_lowercase()).as_str());
+    buffer.println("");
+    buffer.println("#endif");
+
+    return buffer;
+}
+
+pub fn template_for_main() -> CodeBuffer {
+    let mut buffer = CodeBuffer::new(4);
+
+    buffer.println("#include <stdio.h>");
+    buffer.println("#include <stdlib.h>");
+    buffer.println("");
+    buffer.println("int main()");
+    buffer.println("{");
+    buffer.println("");
+    buffer.println_right("return 0;");
+    buffer.println_left("}");
+
+    return buffer;
+}