(docs): Update documentation on the repository structure

Author: ikysil

docs/hacking.md

@@ -10,26 +10,24 @@
 
 *Note*: The structure below is Work In Progress.
 
+* `/app` - applications
 * `/blocks` - filesystem root for `BLOCK` wordset implementations
 * `/bootdict` - Bootstrap dictionary, Flat Assembler sources
   * `/tc` - Forth VM threaded code
   * `/x86` - native x86 code
   * `/x86-dtc` - native x86 code, DTC specifics
   * `/x86-itc` - native x86 code, ITC specifics
+  * `/x86-wordlist` - wordlist structures, x86 and Forth VM threaded code
   * `bootdict-x86.asm` - main module for x86
 * `/build` - build artifacts and temporary files
-* `/contrib`
-  * `/*` - contributions, Forth
-  * `*.4th`
 * `/docs` - system documentation
+  * `/adr` - Architecture Decision Records
 * `/docker` - definitions for Dockerized build environments
 * `/lib` - libraries
 * `/product`
-  * `ikforth-base-x86` - basic interactive system configuration, Forth
-  * `ikforth-dev-x86` - developer's interactive configuration, Forth
-* `/src`
-  * `/lincon` - LINux CONstants dynamic library, C sources
-  * `/loader` - Loader for dictionaries, C/C++ sources
+  * `/ikforth-base-x86` - basic interactive system configuration, Forth
+  * `/ikforth-dev-x86` - developer's interactive configuration, Forth
+  * `/ikforth-dist` - release distribution
 * `/sysdict` - system dictionary, Forth
   * `/term` - terminal integration, Forth
   * `/x86` - x86-specific primitives, Forth
@@ -40,3 +38,7 @@
   * `/*` - tests, Forth
   * `/forth2012-test-suite` - Gerry Jackson's Test programs for Forth 2012 and ANS Forth
   * `*.4th`
+* `/tools`
+  * `/linconst-extract` - tool for extracting constants from Linux headers, C sources
+  * `/loader` - Loader for dictionaries, C/C++ sources
+  * `/winconst-extract` - tool for extracting constants from Windows headers, C sources