update gitignore and project recreation script

.gitignore

@@ -3,14 +3,21 @@
 ################################################################################
 
 # everything
-/*
+*
 
 # exclude the directory structure
 !/adi_library/
+!/adi_library/**/*
 !/common/
+!/common/**/*
+!/custom_ips/
+!/custom_ips/**/*
 !/modules/
+!/modules/**/*
 !/projects/
+!/projects/**/*
 !/template/
+!/template/**/*
 !/.gitignore
 !/README.md
 
@@ -37,9 +44,11 @@ vivado_pid*
 ############################### Modules Specific ###############################
 ################################################################################
 
-# exclude project dir expect project tcl
-/modules/*/*/project/*/*
-!/modules/*/*/project/*/*.tcl
+# exclude everything in project directory expect project tcl
+#   1. exclude everything in the project directory
+#   2. include project tcl
+/modules/*/*/project/**
+!/modules/*/*/project/*.tcl
 
 ################################################################################
 ############################### Project Specific ###############################
@@ -49,18 +58,33 @@ vivado_pid*
 # ------------------------------ Vivado Specific -------------------------------
 # ------------------------------------------------------------------------------
 
-# exclude project dir except project tcl
-/projects/*/*/project/*/*
-!/projects/*/*/project/*/*.tcl
+# exclude everything in project directory expect project tcl
+#   1. exclude everything in the project directory
+#   2. include project tcl
+/projects/*/*/project/**
+!/projects/*/*/project/*.tcl
+
+# include project subdirectory structure only
+#   1. include project subdirectory
+#   2. exclude everything in subdirectory
+!/projects/*/*/project/*/
+/projects/*/*/project/*/**
 
 # include hardware manager projects and sources
+#   1. include `.hw` directory
+#   2. include everything in `.hw` directory
 !/projects/*/*/project/*/*.hw/
+!/projects/*/*/project/*/*.hw/**
 
 # include design run results
+#   1. include `*.runs` directory
+#   2. exclude everything in `.runs` directory
+#   3. include `.impl_*` directory
+#   4. include `*.bit` file in `.impl_*` directory
+#   5. include `*.ltx` file in `.impl_*` directory
 !/projects/*/*/project/*/*.runs/
-/projects/*/*/project/*/*.runs/*
+/projects/*/*/project/*/*.runs/**
 !/projects/*/*/project/*/*.runs/impl_*/
-/projects/*/*/project/*/*.runs/impl_*/*
 !/projects/*/*/project/*/*.runs/impl_*/*.bit
 !/projects/*/*/project/*/*.runs/impl_*/*.ltx
 
@@ -68,8 +92,9 @@ vivado_pid*
 # -------------------------------- SDK Specific --------------------------------
 # ------------------------------------------------------------------------------
 
-# include sdk dir except project tcl
+# include sdk directory and everything in it
 !/projects/*/*/project/*/*.sdk/
+!/projects/*/*/project/*/*.sdk/**
 
 # exclude some obscure hidden SDK folders
 /projects/*/*/project/*/*.sdk/.metadata/