make jerryscript compilable with pico (& compile by default) (#1618)

* switch docker to Alpine

* make jerryscript compile-able with pico (& compile by default)

* Update importBuildRepos.sh

firmware/spade/docker/buildScript.sh

@@ -1,6 +1,9 @@
 cd ~/spade
 ./src/pc/jerry/refresh.sh
 
+cd ~/spade
+./src/rpi/jerry/refresh.sh
+
 touch game.js
 
 mkdir -p src/build

firmware/spade/docker/importBuildRepos.sh

@@ -1,8 +1,7 @@
 mkdir ~/jerryscript_build
 cd ~/jerryscript_build
-git clone https://github.com/jerryscript-project/jerryscript.git
+git clone https://github.com/hackclub/jerryscript-pico.git jerryscript
 cd jerryscript
-git checkout 8ba0d1b6ee5a065a42f3b306771ad8e3c0d819bc # version 2.4.0
 
 mkdir ~/raspberrypi
 cd ~/raspberrypi
@@ -12,4 +11,4 @@ cd pico-sdk
 git checkout 7070d230c0cdf1add83fa86b6832b47b2da47788
 git submodule update --init
 cd ../pico-extras
-git submodule update --init
+git submodule update --init

firmware/spade/src/rpi/jerry/include/jerryscript-config.h

@@ -18,7 +18,7 @@
 
 // Generated differences from default by CMake based on build options:
 #define JERRY_ERROR_MESSAGES 1
-#define JERRY_GLOBAL_HEAP_SIZE 202
+#define JERRY_GLOBAL_HEAP_SIZE 190
 #define JERRY_GC_LIMIT (0)
 #define JERRY_LINE_INFO 1
 #define JERRY_LOGGING 1