doc: Move all markdowns/ documentation to a dedicated doc folder

Signed-off-by: Imran Desai <imran.desai@intel.com>

Makefile.am

@@ -526,14 +526,14 @@ EXTRA_DIST_IGNORE = \
 
 EXTRA_DIST = \
     bootstrap \
-    AUTHORS.md \
-    CHANGELOG.md \
-    CONTRIBUTING.md \
-    INSTALL.md \
-    LICENSE \
-    MAINTAINERS.md \
+    doc/AUTHORS.md \
+    doc/CHANGELOG.md \
+    doc/CONTRIBUTING.md \
+    doc/INSTALL.md \
+    doc/LICENSE \
+    doc/MAINTAINERS.md \
     README.md \
-    RELEASE.md \
+    doc/RELEASE.md \
     man \
     scripts \
     test

README.md

@@ -12,14 +12,14 @@
 the tpm where the user would not expect it. It appears likely unreachable in the current code base. This has been fixed on releases greater than version 1.1.1.
 
 ## Build and Installation instructions:
-Instructions for building and installing the tpm2-tools are provided in the [INSTALL.md](INSTALL.md) file.
+Instructions for building and installing the tpm2-tools are provided in the [INSTALL.md](doc/INSTALL.md) file.
 
 ## Release Procedures
-Instructions for how releases are conducted, including our QA practices, please see the [RELEASE.md](RELEASE.md) file.
+Instructions for how releases are conducted, including our QA practices, please see the [RELEASE.md](doc/RELEASE.md) file.
 
 ## Support
 Please use the mailing list at https://lists.01.org/postorius/lists/tpm2.lists.01.org/ for general questions. The Issue Tracker on
-github should be reserved for actual feature requests or bugs. For security bugs, please see [CONTRIBUTING.md](CONTRIBUTING.md)
+github should be reserved for actual feature requests or bugs. For security bugs, please see [CONTRIBUTING.md](doc/CONTRIBUTING.md)
 for information on how to submit those.
 
 ## Resources
@@ -36,7 +36,7 @@ This specifies the external programatic interface to the TPM:
 <https://trustedcomputinggroup.org/tpm-library-specification/>
 
 ### The Enhanced System API Specification
-This is the *ESAPI* dependency mentioned in [INSTALL.md](INSTALL.md). This is the enhanced software API to the tpm. The tpm2-tools
+This is the *ESAPI* dependency mentioned in [INSTALL.md](doc/INSTALL.md). This is the enhanced software API to the tpm. The tpm2-tools
 project relies heavily on this. <https://trustedcomputinggroup.org/wp-content/uploads/TSS_ESAPI_Version-0.9_Revision-04_reviewEND030918.pdf>
 
 ### The TCTI Specification
@@ -47,4 +47,4 @@ This specifies the transmission interfaces or how bytes get from the system api
   * [A Practical Guide to TPM 2.0](https://link.springer.com/book/10.1007%2F978-1-4302-6584-9) `ISBN: 978-1-4302-6583-2 (Print) 978-1-4302-6584-9 (Online)`
 
 ## Contributing
-Instructions for contributing to the project are provided in the [CONTRIBUTING.md](CONTRIBUTING.md) file.
+Instructions for contributing to the project are provided in the [CONTRIBUTING.md](doc/CONTRIBUTING.md) file.