UI: nome app 'Tide' (launcher, header, cover, about)

qml/cover/CoverPage.qml

@@ -11,7 +11,7 @@ CoverBackground {
         width: parent.width
 
         Label {
-            text: "🌊 Maree"
+            text: "🌊 Tide"
             anchors.horizontalCenter: parent.horizontalCenter
             font.pixelSize: Theme.fontSizeLarge
             color: Theme.primaryColor

qml/pages/MainPage.qml

@@ -14,7 +14,7 @@ Page {
 
         header: Column {
             width: parent.width
-            PageHeader { title: "Maree" }
+            PageHeader { title: "Tide" }
 
             SearchField {
                 id: filter

qml/pages/SettingsPage.qml

@@ -115,7 +115,7 @@ Page {
             SectionHeader { text: qsTr("About") }
 
             Label {
-                text: "Maree " + appVersion + "\n" + qsTr("Universal tide predictions")
+                text: "Tide " + appVersion + "\n" + qsTr("Universal tide predictions")
                 color: Theme.secondaryColor
                 font.pixelSize: Theme.fontSizeSmall
                 anchors.left: parent.left