Update toolchain and move files to github

IDF release/v3.3 cd59d107b (espressif#4708)

Co-authored-by: me-no-dev <me-no-dev@github.com>

Update esptool for Big Sur

Update WiFiClient.cpp (espressif#4573)

Replace (depricated) bzero, bcopy with memset and memcpy.

IDF release/v3.3 68b237fe5 with Disable IRAM optimisation for WiFi

Try to fix issue with GIT 2.29.0

Wait for client.available() to prevent ESP32 crashes (espressif#3154)

* Wait for client.available() to prevent ESP32 crashes

* Removed user-specific SSID & passphrase

Fix BLEUUID toString (espressif#3289)

uuid16 is Missing first 4 characters.
uuid is Missing last 2 characters.

Fix Camera Example (espressif#3202)

* Update app_httpd.cpp

* Stop LWIP from using PSRAM and enable OV7725

Add support for 160MHz rated CPUs (espressif#3135)

Some ESP32 chips are rated only to 160MHz. This change adds support for them and does not allow frequency to be switched to 240MHz