update indentation

docs/WebCam_CSI.md

@@ -3,13 +3,15 @@
 ## CameraWebServer_ESP32-CAM.ino
 
 * Configure WiFi SSID
-```
-const char* ssid = "Your SSID";
-const char* password = "Your Password";
-```
+
+    ```
+    const char* ssid = "Your SSID";
+    const char* password = "Your Password";
+    ```
 
 * Setup Camera CSI pin assignment
-```
+
+    ```
       camera_config_t config;
       config.ledc_channel = LEDC_CHANNEL_0;
       config.ledc_timer = LEDC_TIMER_0;
@@ -31,39 +33,42 @@ const char* password = "Your Password";
       config.pin_reset = RESET_GPIO_NUM;
       config.xclk_freq_hz = 20000000;
       config.pixel_format = PIXFORMAT_JPEG;
-
-```
+    ```
 
 * Connect WiFi network
-```
+
+    ```
       WiFi.begin(ssid, password);
     
       while (WiFi.status() != WL_CONNECTED) {
         delay(500);
         Serial.print(".");
       }
-```
+    ```
 
 * Start httpd Web Camera Server
-```
+    
+    ```
       startCameraServer();
     
-```
+    ```
 
 ## app_httpd.cpp
 * Setup Web Server endpoint
-```
+
+    ```
         if (httpd_start(&camera_httpd, &config) == ESP_OK) {
             httpd_register_uri_handler(camera_httpd, &index_uri);
             httpd_register_uri_handler(camera_httpd, &cmd_uri);
             httpd_register_uri_handler(camera_httpd, &status_uri);
             httpd_register_uri_handler(camera_httpd, &capture_uri);
         }
-```
+    ```
 
 * index landing page callback to read camera source and publish camera image
-```
-static esp_err_t index_handler(httpd_req_t *req){
+    
+  ```
+    static esp_err_t index_handler(httpd_req_t *req){
         httpd_resp_set_type(req, "text/html");
         httpd_resp_set_hdr(req, "Content-Encoding", "gzip");
         sensor_t * s = esp_camera_sensor_get();
@@ -71,14 +76,15 @@ static esp_err_t index_handler(httpd_req_t *req){
             return httpd_resp_send(req, (const char *)index_ov3660_html_gz, index_ov3660_html_gz_len);
         }
         return httpd_resp_send(req, (const char *)index_ov2640_html_gz, index_ov2640_html_gz_len);
-}
-```
+    }
+    ```
 
 * streaming of camera source
-```
-static esp_err_t stream_handler(httpd_req_t *req){
+    
+    ```
+    static esp_err_t stream_handler(httpd_req_t *req){
         camera_fb_t * fb = NULL;
         esp_err_t res = ESP_OK;
         size_t _jpg_buf_len = 0;
     
-```
+    ```