Initial project import

tools/v/vlib/x/crypto/slhdsa/install-latest-ssl.md

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+This `slhdsa` module requires latest OpenSSL library and development headers.
+It required minimum of OpenSLL 3.5 version.
+Likely most of the linux (unix) distros do not ship with this version on this time 
+of writing, at March, 2025.
+
+You can manually download and install OpenSSL library by your self. This documents acts as a simple
+guide on how to build and install latest OpenSSL library to your box.
+
+This guide was for unix-like system, for others, see the guides more detail goes to 
+[install.md](https://github.com/openssl/openssl/blob/master/INSTALL.md#building-openssl)<br>
+1. Go to https://openssl-library.org/source/ and download the latest version
+```bash
+$ wget -v https://github.com/openssl/openssl/releases/download/openssl-3.5.0-beta1/openssl-3.5.0-beta1.tar.gz
+```
+2. Extract your downloaded file
+```bash
+$ tar -xzvf openssl-3.5.0-beta1.tar.gz
+$ cd openssl-3.5.0-beta1
+```
+3. Configure the build flag, this module for optional build requires to use `/opt/ssl` prefix. 
+```bash
+$ ./Configure --prefix=/opt/ssl --openssldir=/opt/ssl
+$ make
+$ sudo make install
+```
+By successfully completing this step, the latest OpenSSL has been built and installed onto 
+configured path. You need to tell the system to add this path. <br>
+
+4. Add `/opt/ssl/lib64` entry onto `/etc/ld.so.conf.d/libcrypto.conf`
+
+5. Run `ldconfig`
+```bash
+$sudo ldconfig
+```
+6. Verify if the modules works.