update IoT cloud demo (#876)

* update IoT APP store demo

* update IoT app store apps

* update IoT cloud demo document

* [Cloud demo] mount app store between two dockers

* [Cloud demo] update restart policy

* [Cloud demo] update help page

* [Cloud demo] update online demo address

test-tools/IoT-APP-Store-Demo/wasm_django/Dockerfile

@@ -0,0 +1,9 @@
+FROM python:3.5
+
+WORKDIR /app
+ADD . /app
+
+RUN pip install django
+
+ENTRYPOINT ["python", "manage.py", "runserver", "0.0.0.0:80"]
+

test-tools/IoT-APP-Store-Demo/wasm_django/devices/templates/help.html

@@ -32,11 +32,11 @@
                             How to use?
                         </h1>
                         <p>
-                            1. Download a simple runtime (build for ubuntu 16.04 64 bits, other platforms please build
+                            1. Download a simple runtime (build for ubuntu 20.04 64 bits, other platforms please build
                             from the <a href="https://github.com/intel/wasm-micro-runtime">source code</a>)
                         </p>
                         <p>
-                            2. In the terminal: <code>cd ~/Download && ./simple -a 39.106.110.7</code>
+                            2. In the terminal: <code>cd ~/Download && ./simple -a 82.156.57.236</code>
                         </p>
                         <div class="span12">
                             <div class="alert alert-info">
@@ -51,7 +51,7 @@
                                 <p>For more details please refer to this <a
                                         href="https://github.com/bytecodealliance/wasm-micro-runtime/tree/main/samples/littlevgl">guide</a>
                                 </p>
-                                <p><code>cd ~/Download && ./wasm_runtime_wgl -a 39.106.110.7</code></p>
+                                <p><code>cd ~/Download && ./wasm_runtime_wgl -a 82.156.57.236</code></p>
                             </div>
                         </div>
                         <p>

test-tools/IoT-APP-Store-Demo/wasm_django/server/Dockerfile

@@ -0,0 +1,6 @@
+FROM python:3.5
+
+WORKDIR /app
+ADD server/wasm_server.py /app/server/
+
+ENTRYPOINT ["python", "server/wasm_server.py"]