- Split PrimeManual package into multiple packages.

- Change original PrimeManual package into a class and rename Manual.

Layout.sty

@@ -0,0 +1,54 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{PrimeTeX/Layout}[2025-07-09]
+
+% Suppress warning about \showhyphens being changed.
+\let\CheckCommand\providecommand
+
+\RequirePackage{microtype}
+
+% Page Layout
+%#region
+	\RequirePackage[pass]{geometry}
+	\RequirePackage{calc}
+	\RequirePackage{ifoddpage}
+
+	\newlength{\contentwidth}
+	\setlength{\contentwidth}{\textwidth+\marginparsep+\marginparwidth}
+
+	\newlength{\bfFigureWidth}
+	\newlength{\bfMarginOffset}
+	\newcommand{\bigfloat}[2][1in]{%
+		\setlength{\bfFigureWidth}{#1*-2+\paperwidth}%
+		\checkoddpage%
+		\ifoddpage%
+			\setlength{\bfMarginOffset}{-1in+#1-\oddsidemargin}%
+		\else%
+			\setlength{\bfMarginOffset}{-1in+#1-\evensidemargin}%
+		\fi%
+		\begin{figure}[ht]%
+			{\leavevmode%
+				\put(\bfMarginOffset,0in){%
+					\begin{minipage}{\bfFigureWidth}%
+						#2%
+					\end{minipage}%
+				}%
+			}%
+		\end{figure}%
+	}
+%#endregion
+
+% Title & Heading Options
+%#region
+	\RequirePackage[sf,raggedright]{titlesec}
+%#endregion
+
+% Header & Footer Options
+%#region
+	\pagestyle{plain}
+%#endregion
+
+% Paragraph formatting.
+%#region
+	\setlength{\parindent}{0pt}
+	\setlength{\parskip}{2ex plus 0.5ex minus 0.5ex}
+%#endregion