Add new LaTeX templates for CV, letters, and envelopes

- Created a CV template (My-CV-Briefvorlage.tex) with sections for contact information, skills, work history, education, and publications.
- Added a standard letter template (Standard-Briefumschlag.tex) for formal correspondence.
- Introduced a simple letter template (Standard-Briefvorlage-Schlicht.tex) with customizable sender information.
- Developed a detailed letter template (Standard-Briefvorlage.tex) with personal data fields and a structured layout.
- Included a class option file (brief-absender.lco) for customizing sender details in letters.
- Added a package (tkzexample.sty) for enhanced code examples and graphics in LaTeX documents.

Latex-Resourcen/brief-absender-rena.lco

@@ -0,0 +1,46 @@
+%\ProvidesFile{brief-absender.lco}[letter-class-option file]
+
+% (cell)phone, email symbol
+\RequirePackage{marvosym}
+% for gray color in header
+\RequirePackage{color}
+
+\KOMAoptions{
+foldmarks=true,
+foldmarks=true,
+fromurl=false,
+fromemail=true,
+fromphone=true,
+%fromfax=true,
+fromalign=right,
+fromrule=off,
+footsepline=off,
+}
+
+% define gray for header
+\definecolor{mygray}{gray}{.55}
+% define blue for address
+\definecolor{myblue}{rgb}{0.25,0.45,0.75}
+
+\setkomavar{fromname}{Verenea Brosch}
+\setkomafont{fromname}{\bfseries\color{black}\Large}
+\setkomafont{fromrule}{\color{black}}
+\setkomafont{addressee}{\small}
+\setkomavar{fromemail}[]{Verena_Brosch@yahoo.de}
+%\setkomavar{fromurl}[]{https://achimistderbeste.de}
+\setkomavar{fromphone}[]{+49 162 9261038}
+
+\setkomavar{fromaddress}{Paul-Müller-Str. 9, 44805 Bochum}
+
+\setkomafont{fromaddress}{\small\mdseries\slshape\color{black}}
+\setkomavar{backaddress}{Verena Brosch, Paul-Müller-Str. 9, 44805 Bochum}
+
+\setkomavar{signature}{Verena Brosch}
+
+% Signature: same indention level as rest
+\renewcommand*{\raggedsignature}{\raggedright}
+
+% space for signature
+\@setplength{sigbeforevskip}{1.8cm}
+
+\endinput