http_server: move the code into separate repo

Author: igrr

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "components/http_server"]
+	path = components/http_server
+	url = https://github.com/igrr/esp32-http-server.git

README.md

@@ -28,6 +28,7 @@ Code provided in this repository gets the image from camera and prints it out as
 
 To make this code work, you need the following components:
 
+* This repository. It contains submodules, so make sure you clone it with `--recursive` option. If you have already cloned it without `--recursive`, run `git submodule update --init`.
 * [ESP32](https://espressif.com/en/products/hardware/esp32/overview) module
 * Camera module
 * PC with [esp-idf](https://github.com/espressif/esp-idf)
@@ -46,7 +47,7 @@ This example has been tested with OV7725 camera module. Use it, if this is your
 
 Other OV7xxx series should work as well, with some changes to camera configuration code. OV5xxx can work too, but it is advisable to choose the ones which support RGB or YUV 8-bit wide output bus. The ones which only output 10-bit raw data may be a bit harder to work with. Also choose the camera which can output a scaled down (QVGA or VGA) image. Use of larger frame buffers will require external SPI RAM.
 
-### Esp-idf
+### ESP-IDF
 
 Configure your PC according to [ESP32 Documentation](http://esp-idf.readthedocs.io/en/latest/?badge=latest). [Windows](http://esp-idf.readthedocs.io/en/latest/windows-setup.html), [Linux](http://esp-idf.readthedocs.io/en/latest/linux-setup.html) and [Mac OS](http://esp-idf.readthedocs.io/en/latest/macos-setup.html) are supported. If this is you first exposure to ESP32 and [esp-idf](https://github.com/espressif/esp-idf), then get familiar with [01_hello_world](https://github.com/espressif/esp-idf/tree/master/examples/01_hello_world) and [02_blink](https://github.com/espressif/esp-idf/tree/master/examples/02_blink) examples. Make them work and understand before proceeding further.