docs: Mention the 'examples' dir in the setup docs

docs/linux-setup.rst

@@ -142,6 +142,9 @@ The easiest way to start a project is to download the template project from GitH
 
 This will download ``esp-idf-template`` project into ``~/esp/myapp`` directory.
 
+**IMPORTANT:** The esp-idf build system does not support spaces in paths to esp-idf or to projects.
+
+You can also find a range of example projects under the "examples" directory in IDF. These example project directories can be copied to outside IDF in order to begin your own projects.
 
 Step 4: Building and flashing the application
 =============================================

docs/macos-setup.rst

@@ -130,6 +130,9 @@ This will download ``esp-idf-template`` project into ``~/esp/myapp`` directory.
 
 **IMPORTANT:** The esp-idf build system does not support spaces in paths to esp-idf or to projects.
 
+You can also find a range of example projects under the "examples" directory in IDF. These example project directories can be copied to outside IDF in order to begin your own projects.
+
+
 Step 4: Building and flashing the application
 =============================================
 

docs/windows-setup.rst

@@ -50,6 +50,9 @@ The process is the same as for checking out the ESP-IDF from github. Change to t
 
 **IMPORTANT:** The esp-idf build system does not support spaces in paths to esp-idf or to projects.
 
+You can also find a range of example projects under the "examples" directory in IDF. These example project directories can be copied to outside IDF in order to begin your own projects.
+
+
 Step 4: Configuring the project
 ===============================